Example usage for java.io Reader close

List of usage examples for java.io Reader close

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Introduction

In this page you can find the example usage for java.io Reader close.

Prototype

public abstract void close() throws IOException;

Source Link

Document

Closes the stream and releases any system resources associated with it.

Usage

From source file:hashengineering.digitalcoin.wallet.ExchangeRatesProvider.java

private static Map<String, ExchangeRate> getBlockchainInfo() {
    try {/*from w w w .j  a  v  a 2  s  .  c o  m*/
        Double btcRate = 0.0;

        Object result = getCoinValueBTC();

        if (result == null)
            return null;

        else
            btcRate = (Double) result;

        final URL URL = new URL("https://blockchain.info/ticker");
        final HttpURLConnection connection = (HttpURLConnection) URL.openConnection();
        connection.setConnectTimeout(Constants.HTTP_TIMEOUT_MS);
        connection.setReadTimeout(Constants.HTTP_TIMEOUT_MS);
        connection.connect();

        if (connection.getResponseCode() != HttpURLConnection.HTTP_OK)
            return null;

        Reader reader = null;
        try {
            reader = new InputStreamReader(new BufferedInputStream(connection.getInputStream(), 1024),
                    Constants.UTF_8);
            final StringBuilder content = new StringBuilder();
            Io.copy(reader, content);

            final Map<String, ExchangeRate> rates = new TreeMap<String, ExchangeRate>();

            //Add Bitcoin information
            rates.put(CoinDefinition.cryptsyMarketCurrency,
                    new ExchangeRate(CoinDefinition.cryptsyMarketCurrency,
                            Utils.toNanoCoins(String.format("%.8f", btcRate).replace(",", ".")),
                            "pubapi.cryptsy.com"));

            final JSONObject head = new JSONObject(content.toString());
            for (final Iterator<String> i = head.keys(); i.hasNext();) {
                final String currencyCode = i.next();
                final JSONObject o = head.getJSONObject(currencyCode);
                //final String rate = o.optString("15m", null);

                double rateForBTC = o.getDouble("15m") * btcRate;

                final String rate = String.format("%.8f", rateForBTC); //o.optString("15m", null);

                if (rate != null) {
                    try {
                        rates.put(currencyCode, new ExchangeRate(currencyCode,
                                Utils.toNanoCoins(rate.replace(",", ".")), URL.getHost()));
                    } catch (final ArithmeticException x) {
                        log.debug("problem reading exchange rate: " + currencyCode, x);
                    }
                }
            }

            return rates;
        } finally {
            if (reader != null)
                reader.close();
        }
    } catch (final Exception x) {
        log.debug("problem reading exchange rates", x);
    }

    return null;
}

From source file:de.interactive_instruments.ShapeChange.BasicTest.java

private String readFile(String fileName) throws Exception {
    InputStream stream = new FileInputStream(new File(fileName));

    Writer writer = new StringWriter();
    char[] buffer = new char[1024];
    Reader reader = null;
    try {//from  w w w .  ja v  a 2s.co m
        reader = new BufferedReader(new InputStreamReader(stream, "UTF-8"));
        int n;
        while ((n = reader.read(buffer)) != -1) {
            writer.write(buffer, 0, n);
        }
    } finally {
        if (reader != null)
            reader.close();
    }
    return writer.toString();
}

From source file:au.gov.aims.atlasmapperserver.URLCache.java

private static JSONObject parseFile(File jsonFile, String urlStr) {
    JSONObject jsonResponse = null;//from  w ww  . j  a va 2s  .co  m
    Reader reader = null;
    try {
        reader = new FileReader(jsonFile);
        jsonResponse = new JSONObject(new JSONTokener(reader));
    } catch (Exception ex) {
        LOGGER.log(Level.SEVERE, "Can not load the JSON Object returning from the URL {0}: {1}",
                new String[] { urlStr, Utils.getExceptionMessage(ex) });
        LOGGER.log(Level.FINE, "Stack trace:", ex);
    } finally {
        if (reader != null) {
            try {
                reader.close();
            } catch (Exception ex) {
                LOGGER.log(Level.SEVERE, "Can not close the JSON file {0}: {1}", new String[] {
                        jsonFile.getAbsoluteFile().getAbsolutePath(), Utils.getExceptionMessage(ex) });
                LOGGER.log(Level.FINE, "Stack trace:", ex);
            }
        }
    }

    return jsonResponse;
}

From source file:com.bt.aloha.testing.JdbcHelper.java

private String readContent(String filename) {
    Reader r = null;
    BufferedReader br = null;//  w  w  w  . ja  v a 2  s.co m
    InputStream is = null;
    try {
        is = JdbcHelper.class.getClassLoader().getResourceAsStream(filename);
        r = new InputStreamReader(is);
        br = new BufferedReader(r);
        StringBuffer sb = new StringBuffer();
        String line = "";
        while ((line = br.readLine()) != null) {
            if (line.indexOf(SERIAL) != -1)
                sb.append(line.replaceAll(SERIAL, INT_IDENTITY));
            else
                sb.append(line);
        }
        String content = sb.toString();
        return content;
    } catch (Throwable e) {
        throw new IllegalArgumentException(String.format("Couldn't read content of create script %s", filename),
                e);
    } finally {
        try {
            if (br != null)
                br.close();
        } catch (IOException e) {
            log.error(String.format(ERROR_CLOSING_S, br.getClass().getSimpleName()), e);
        }
        try {
            if (r != null)
                r.close();
        } catch (IOException e) {
            log.error(String.format(ERROR_CLOSING_S, r.getClass().getSimpleName()), e);
        }
        try {
            if (is != null)
                is.close();
        } catch (IOException e) {
            log.error(String.format(ERROR_CLOSING_S, is.getClass().getSimpleName()), e);
        }
    }
}

From source file:de.schildbach.wallet.goldcoin.ExchangeRatesProvider.java

private static Object getCoinValueBTC_cryptopia() {
    //final Map<String, ExchangeRate> rates = new TreeMap<String, ExchangeRate>();
    // Keep the LTC rate around for a bit
    Double btcRate = 0.0;// www .jav a  2s  .  c om
    String currency = "BTC";
    String url = "https://www.cryptopia.co.nz/api/GetMarket/2623";

    try {
        // final String currencyCode = currencies[i];
        final URL URL_bter = new URL(url);
        final HttpURLConnection connection = (HttpURLConnection) URL_bter.openConnection();
        connection.setConnectTimeout(Constants.HTTP_TIMEOUT_MS * 2);
        connection.setReadTimeout(Constants.HTTP_TIMEOUT_MS * 2);
        connection.connect();

        final StringBuilder content = new StringBuilder();

        Reader reader = null;
        try {
            reader = new InputStreamReader(new BufferedInputStream(connection.getInputStream(), 1024));
            IOUtils.copy(reader, content);
            final JSONObject head = new JSONObject(content.toString());

            /*{
               "Success":true,
                  "Message":null,
                  "Data":{
             "TradePairId":100,
             "Label":"LTC/BTC",
             "AskPrice":0.00006000,
             "BidPrice":0.02000000,
             "Low":0.00006000,
             "High":0.00006000,
             "Volume":1000.05639978,
             "LastPrice":0.00006000,
             "LastVolume":499.99640000,
             "BuyVolume":67003436.37658233,
             "SellVolume":67003436.37658233,
             "Change":-400.00000000
                  }
            }*/
            String result = head.getString("Success");
            if (result.equals("true")) {
                JSONObject dataObject = head.getJSONObject("Data");

                Double averageTrade = Double.valueOf(0.0);
                if (dataObject.get("Label").equals("GLD/BTC"))
                    averageTrade = dataObject.getDouble("LastPrice");

                if (currency.equalsIgnoreCase("BTC"))
                    btcRate = averageTrade;
            }
            return btcRate;
        } finally {
            if (reader != null)
                reader.close();
        }

    } catch (final IOException x) {
        x.printStackTrace();
    } catch (final JSONException x) {
        x.printStackTrace();
    }

    return null;
}

From source file:gate.corpora.FastInfosetDocumentFormat.java

/**
 * Unpacks markup in the GATE-specific standoff XML markup format.
 * // w  w  w  . j  av  a  2  s  .  co  m
 * @param doc
 *          the document to process
 * @param statusListener
 *          optional status listener to receive status messages
 * @throws DocumentFormatException
 *           if a fatal error occurs during parsing
 */
private void unpackGateFormatMarkup(Document doc, StatusListener statusListener)
        throws DocumentFormatException {
    boolean docHasContentButNoValidURL = hasContentButNoValidUrl(doc);

    try {
        Reader inputReader = null;
        InputStream inputStream = null;
        XMLStreamReader xsr = null;
        String encoding = ((TextualDocument) doc).getEncoding();
        if (docHasContentButNoValidURL) {
            xsr = new StAXDocumentParser(IOUtils.toInputStream(doc.getContent().toString(), encoding),
                    getStAXManager());
        } else {
            inputStream = doc.getSourceUrl().openStream();
            xsr = new StAXDocumentParser(inputStream, getStAXManager());
        }

        // find the opening GateDocument tag
        xsr.nextTag();

        // parse the document
        try {
            DocumentStaxUtils.readGateXmlDocument(xsr, doc, statusListener);
        } finally {
            xsr.close();
            if (inputStream != null) {
                inputStream.close();
            }
            if (inputReader != null) {
                inputReader.close();
            }
        }
    } catch (XMLStreamException e) {
        doc.getFeatures().put("parsingError", Boolean.TRUE);

        Boolean bThrow = (Boolean) doc.getFeatures().get(GateConstants.THROWEX_FORMAT_PROPERTY_NAME);

        if (bThrow != null && bThrow.booleanValue()) {
            // the next line is commented to avoid Document creation fail on
            // error
            throw new DocumentFormatException(e);
        } else {
            Out.println("Warning: Document remains unparsed. \n" + "\n  Stack Dump: ");
            e.printStackTrace(Out.getPrintWriter());
        } // if
    } catch (IOException ioe) {
        throw new DocumentFormatException("I/O exception for " + doc.getSourceUrl().toString(), ioe);
    }
}

From source file:gov.nih.nci.cabig.caaers.dataimport.AgentSpecificTermsImporter.java

public Map<String, Object> importFile() throws Exception {

    POIFSFileSystem poifs;/*from w w  w  .  j av a2  s  .c  o  m*/
    HSSFWorkbook wb;
    HSSFSheet sh = null;

    boolean isExcel = file.getName().endsWith(".xls");
    boolean isCSV = file.getName().endsWith(".csv");

    Map<String, Object> results = new HashMap<String, Object>();
    int rowCount = 0;
    int columnsCount = 0;
    Map<String, Agent> agents = new HashMap<String, Agent>();
    Map<String, Agent> missingAgents = new HashMap<String, Agent>();
    Set<String> missingTerms = new HashSet<String>();
    Map<String, String> asaelCache = new HashMap<String, String>();
    int asael;

    // wipe out the table
    agentSpecificTermDao.deleteAll();
    studyDao.deleteAllExpectedTerms();
    // if (true) return null;

    // get needed headers
    if (isExcel) {
        poifs = new POIFSFileSystem(new FileInputStream(file));
        wb = new HSSFWorkbook(poifs);
        sh = wb.getSheetAt(0);
        rowCount = sh.getLastRowNum();
        columnsCount = sh.getRow(0).getLastCellNum();

        for (byte i = 0; i < columnsCount; i++) {
            HSSFCell cell = sh.getRow(0).getCell(i);
            if (headers.containsKey(cell.getStringCellValue())) {
                headers.remove(cell.getStringCellValue());
                headers.put(cell.getStringCellValue(), Short.valueOf(i));
            }
        }
    }

    InputStream ir = null;
    Reader r = null;
    BufferedReader br = null;

    if (isCSV) {
        // readLines
        rowCount = 0;
        ir = new FileInputStream(file);
        r = new InputStreamReader(ir);
        br = new BufferedReader(r);
        String s = br.readLine();
        while (s != null) {
            if (rowCount == 0) {
                String[] _s = s.split("[\\|]{1}");
                for (byte j = 0; j < _s.length; j++) {
                    // System.out.println(_s[j]);
                    if (headers.containsKey(_s[j])) {
                        headers.remove(_s[j]);
                        headers.put(_s[j], Short.valueOf(j));
                    }
                }
            }
            rowCount++;
            s = br.readLine();
        }
        br.close();
        r.close();
        ir.close();

        ir = new FileInputStream(file);
        r = new InputStreamReader(ir);
        br = new BufferedReader(r);
    }

    /*
            System.out.println(rowCount);
            for (Map.Entry e : headers.entrySet()) {
    System.out.println(e.getKey() + "=>" + e.getValue());
            }
    */

    agents.clear();
    missingTerms.clear();
    missingAgents.clear();
    asael = 0;
    int duplicateAgentTerms = 0;

    //
    String nsc = "";
    String ctcae_category = "";
    String ctcae_version = "0.0";
    String ae_term = "";
    String other_toxicity = "";

    // Loading ASAE list
    // if (true) {  return null; }

    int i = 1;
    while (i <= rowCount) {

        nsc = "";

        if (isExcel) {
            HSSFRow row = sh.getRow(i);
            if (row != null) {
                nsc = getCellData("", i, row.getCell((short) headers.get("NSC")));
                ctcae_category = getCellData("", i, row.getCell((short) headers.get("CTCAE_CATEGORY")));
                ctcae_version = getCellData("", i, row.getCell((short) headers.get("CTCAE_VERSION")));
                ae_term = getCellData("", i, row.getCell((short) headers.get("AE_TERM")));
                other_toxicity = getCellData("", i, row.getCell((short) headers.get("OTHER_TOXICITY")));
            }
        } else {
            String s;
            s = br.readLine();
            if (s != null) {
                String[] _s = s.split("[\\|]{1}");
                if (i > 1 && _s.length > 1) {
                    nsc = _s[headers.get("NSC")];
                    ctcae_category = _s[headers.get("CTCAE_CATEGORY")];
                    try {
                        ctcae_version = _s[headers.get("CTCAE_VERSION")].trim();
                    } catch (NumberFormatException e) {
                        //                                System.out.println(s);
                        return null;
                    }
                    ae_term = _s[headers.get("AE_TERM")];
                    if (_s.length - 1 >= headers.get("OTHER_TOXICITY"))
                        other_toxicity = _s[headers.get("OTHER_TOXICITY")];
                    else
                        other_toxicity = "";
                }
            }
        }

        if (nsc.trim().equals("")) {
            i++;
            continue;
        } else {
            // System.out.println(String.format("%s). NSC:%s,   V:%s,   C:%s,   T:%s", i, nsc, ctcae_version, ctcae_category, ae_term));
        }

        Agent a = agents.get(nsc);
        if (a == null) {
            a = agentDao.getByNscNumber(nsc);
            // System.out.println(asael + ". OK. Found agent [" + a.getName() + "] for NSC: [" + nsc + "]");
            agents.put(nsc, a);
        }

        if (a != null) {
            AgentSpecificCtcTerm t = new AgentSpecificCtcTerm();
            t.setAgent(a);
            t.setOtherToxicity(other_toxicity);

            List<CtcTerm> list = terminologyRepository.getCtcTerm(ctcae_category, ctcae_version, ae_term);
            if (list.size() == 0) {
                // System.out.println("<ERROR>: Term not found: " + ae_term + ", Category: " + ctcae_category + ", CTCAE Version: " + ctcae_version);
                missingTerms.add("Term not found: " + ae_term + ", Category: " + ctcae_category
                        + ", CTCAE Version: " + ctcae_version);
            } else {
                t.setCtcTerm(list.get(0));
                if (persistASAE(t))
                    asael++;
                else
                    duplicateAgentTerms++;
            }

            agentSpecificTermDao.evict(t);

        } else {
            if (!missingAgents.containsKey(nsc)) {
                // System.out.println("<ERROR>: The agent was not found by its NSC: " + nsc);
                missingAgents.put(nsc, null);
            }
        }

        i++;
    }

    if (isCSV) {
        br.close();
        r.close();
        ir.close();
    }

    results.put(KEY_MISSING_TERMS, missingTerms);
    results.put(KEY_PROCESSED_AGENTS, agents.size() - missingAgents.size());
    results.put(KEY_PROCESSED_AGENTTERMS, asael);
    results.put(KEY_MISSING_AGENTS, missingAgents);
    results.put(KEY_DUPLICATE_AGENT_TERMS, duplicateAgentTerms);

    return results;
}

From source file:AIR.Common.xml.XmlReader.java

public XmlReader(Reader file) throws IOException, JDOMException {
    // Start hack! Shiva: I am not sure why this is happening. but this happened
    // with the earlier .NET code as well.
    // why am I seeing a special character if I directly pass a
    // InputStreamReader to SAXBuilder. I had to do the same hack in
    // ItemScoringHandler.ProcessRequest.
    // I see this message as well
    // "warning: line 6050: incompatible stripping characters and condition"
    // Further information: Elena found two additional links:
    // http://mark.koli.ch/resolving-orgxmlsaxsaxparseexception-content-is-not-allowed-in-prolog
    // and/*from  ww  w .  j  a v a 2 s  . c  om*/
    // http://stackoverflow.com/questions/5138696/org-xml-sax-saxparseexception-content-is-not-allowed-in-prolog
    BufferedReader bfr = new BufferedReader(file);
    StringBuilder strinBuilder = new StringBuilder();
    String line = "";
    while ((line = bfr.readLine()) != null)
        strinBuilder.append(line);
    file.close();
    String fileContent = strinBuilder.toString();
    int indexOfBegin = fileContent.indexOf('<');
    if (indexOfBegin > 0)
        fileContent = fileContent.substring(indexOfBegin);
    file = new StringReader(fileContent);
    // End hack!
    buildDocument(file);
}

From source file:com.manydesigns.portofino.pageactions.crud.CrudAction4ItsProject.java

public void exportSearchPdf(OutputStream outputStream) throws FOPException, IOException, TransformerException {

    setupSearchForm();/*from   www . j a va2 s. c o m*/

    loadObjects();

    setupTableForm4ExportAll(Mode.VIEW);

    FopFactory fopFactory = FopFactory.newInstance();
    // hongliangpan add
    try {
        String fopConfig = "fop.xml";
        String filePath = CrudAction4ItsProject.class.getClassLoader().getResource(fopConfig).getPath();
        fopFactory.setUserConfig(filePath);
        // String fonts = "/fonts"; 
        fopFactory.setFontBaseURL(new File(filePath).getParent());
    } catch (SAXException e) {
        logger.error(e.getMessage(), e);
    }
    InputStream xsltStream = null;
    try {
        Fop fop = fopFactory.newFop(MimeConstants.MIME_PDF, outputStream);

        xsltStream = getSearchPdfXsltStream();

        // Setup XSLT
        TransformerFactory Factory = TransformerFactory.newInstance();
        Transformer transformer = Factory.newTransformer(new StreamSource(xsltStream));

        // Set the value of a <param> in the stylesheet
        transformer.setParameter("versionParam", "2.0");

        // Setup input for XSLT transformation
        Reader reader = composeXmlSearch();
        Source src = new StreamSource(reader);

        // Resulting SAX events (the generated FO) must be piped through to
        // FOP
        Result res = new SAXResult(fop.getDefaultHandler());

        // Start XSLT transformation and FOP processing
        transformer.transform(src, res);
        reader.close();

        outputStream.flush();
    } finally {
        IOUtils.closeQuietly(xsltStream);
    }
}

From source file:com.manydesigns.portofino.pageactions.crud.CrudAction4ItsProject.java

public void exportReadPdf(File tempPdfFile) throws FOPException, IOException, TransformerException {
    setupSearchForm();//from w  w w  .  j a v a  2 s  .c  o  m

    loadObjects();

    setupTableForm(Mode.VIEW);

    FopFactory fopFactory = FopFactory.newInstance();

    FileOutputStream out = null;
    InputStream xsltStream = null;
    try {
        out = new FileOutputStream(tempPdfFile);

        Fop fop = fopFactory.newFop(MimeConstants.MIME_PDF, out);

        xsltStream = getXsltStream(TEMPLATE_FOP_READ);

        // Setup XSLT
        TransformerFactory Factory = TransformerFactory.newInstance();
        Transformer transformer = Factory.newTransformer(new StreamSource(xsltStream));

        // Set the value of a <param> in the stylesheet
        transformer.setParameter("versionParam", "2.0");

        // Setup input for XSLT transformation
        Reader reader = composeXmlPort();
        Source src = new StreamSource(reader);

        // Resulting SAX events (the generated FO) must be piped through to
        // FOP
        Result res = new SAXResult(fop.getDefaultHandler());

        // Start XSLT transformation and FOP processing
        transformer.transform(src, res);

        reader.close();
        out.flush();
    } catch (Exception e) {
        logger.warn("IOException", e);
        SessionMessages.addErrorMessage(e.getMessage());
    } finally {
        IOUtils.closeQuietly(xsltStream);
        try {
            if (out != null)
                out.close();
        } catch (Exception e) {
            logger.warn("IOException", e);
            SessionMessages.addErrorMessage(e.getMessage());
        }
    }
}